/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2008 - 2013 Red Hat, Inc.
 */

#ifndef __NETWORKMANAGER_IP6_CONFIG_H__
#define __NETWORKMANAGER_IP6_CONFIG_H__

#include <netinet/in.h>

#include "nm-setting-ip6-config.h"

#include "libnm-glib-aux/nm-dedup-multi.h"
#include "libnm-platform/nmp-object.h"
#include "nm-ip-config.h"

/*****************************************************************************/

void nm_ip_config_iter_ip6_address_init(NMDedupMultiIter *iter, const NMIP6Config *self);
void nm_ip_config_iter_ip6_route_init(NMDedupMultiIter *iter, const NMIP6Config *self);

#define nm_ip_config_iter_ip6_address_for_each(iter, self, address) \
    for (nm_ip_config_iter_ip6_address_init((iter), (self));        \
         nm_platform_dedup_multi_iter_next_ip6_address((iter), (address));)

#define nm_ip_config_iter_ip6_route_for_each(iter, self, route) \
    for (nm_ip_config_iter_ip6_route_init((iter), (self));      \
         nm_platform_dedup_multi_iter_next_ip6_route((iter), (route));)

/*****************************************************************************/

#define NM_TYPE_IP6_CONFIG (nm_ip6_config_get_type())
#define NM_IP6_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_IP6_CONFIG, NMIP6Config))
#define NM_IP6_CONFIG_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_IP6_CONFIG, NMIP6ConfigClass))
#define NM_IS_IP6_CONFIG(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_IP6_CONFIG))
#define NM_IS_IP6_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_IP6_CONFIG))
#define NM_IP6_CONFIG_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_IP6_CONFIG, NMIP6ConfigClass))

typedef struct _NMIP6ConfigClass NMIP6ConfigClass;

/* internal */
#define NM_IP6_CONFIG_MULTI_IDX "multi-idx"
#define NM_IP6_CONFIG_IFINDEX   "ifindex"

/* public */
#define NM_IP6_CONFIG_ADDRESS_DATA "address-data"
#define NM_IP6_CONFIG_ROUTE_DATA   "route-data"
#define NM_IP6_CONFIG_GATEWAY      "gateway"
#define NM_IP6_CONFIG_NAMESERVERS  "nameservers"
#define NM_IP6_CONFIG_DOMAINS      "domains"
#define NM_IP6_CONFIG_SEARCHES     "searches"
#define NM_IP6_CONFIG_DNS_OPTIONS  "dns-options"
#define NM_IP6_CONFIG_DNS_PRIORITY "dns-priority"

/* deprecated */
#define NM_IP6_CONFIG_ADDRESSES "addresses"
#define NM_IP6_CONFIG_ROUTES    "routes"

GType nm_ip6_config_get_type(void);

NMIP6Config *nm_ip6_config_new(struct _NMDedupMultiIndex *multi_idx, int ifindex);
NMIP6Config *nm_ip6_config_new_cloned(const NMIP6Config *src);

NMIP6Config *nm_ip6_config_clone(const NMIP6Config *self);
int          nm_ip6_config_get_ifindex(const NMIP6Config *self);

struct _NMDedupMultiIndex *nm_ip6_config_get_multi_idx(const NMIP6Config *self);

NMIP6Config *nm_ip6_config_capture(struct _NMDedupMultiIndex *multi_idx,
                                   NMPlatform *               platform,
                                   int                        ifindex,
                                   NMSettingIP6ConfigPrivacy  use_temporary);

void nm_ip6_config_add_dependent_routes(NMIP6Config *self,
                                        guint32      route_table,
                                        guint32      route_metric,
                                        gboolean     is_vrf);

gboolean   nm_ip6_config_commit(const NMIP6Config *    self,
                                NMPlatform *           platform,
                                NMIPRouteTableSyncMode route_table_sync,
                                GPtrArray **           out_temporary_not_available);
void       nm_ip6_config_merge_setting(NMIP6Config *      self,
                                       NMSettingIPConfig *setting,
                                       guint32            route_table,
                                       guint32            route_metric);
NMSetting *nm_ip6_config_create_setting(const NMIP6Config *self, gboolean maybe_ipv6_disabled);

void         nm_ip6_config_merge(NMIP6Config *        dst,
                                 const NMIP6Config *  src,
                                 NMIPConfigMergeFlags merge_flags,
                                 guint32              default_route_metric_penalty);
void         nm_ip6_config_subtract(NMIP6Config *      dst,
                                    const NMIP6Config *src,
                                    guint32            default_route_metric_penalty);
void         nm_ip6_config_intersect(NMIP6Config *      dst,
                                     const NMIP6Config *src,
                                     gboolean           intersect_addresses,
                                     gboolean           intersect_routes,
                                     guint32            default_route_metric_penalty);
NMIP6Config *nm_ip6_config_intersect_alloc(const NMIP6Config *a,
                                           const NMIP6Config *b,
                                           gboolean           intersect_addresses,
                                           gboolean           intersect_routes,
                                           guint32            default_route_metric_penalty);
gboolean
nm_ip6_config_replace(NMIP6Config *dst, const NMIP6Config *src, gboolean *relevant_changes);

const NMPObject *nm_ip6_config_best_default_route_get(const NMIP6Config *self);
const NMPObject *_nm_ip6_config_best_default_route_find(const NMIP6Config *self);

enum _NMIPConfigFlags;

void                  nm_ip6_config_set_config_flags(NMIP6Config *         self,
                                                     enum _NMIPConfigFlags flags,
                                                     enum _NMIPConfigFlags mask);
enum _NMIPConfigFlags nm_ip6_config_get_config_flags(const NMIP6Config *self);

const NMDedupMultiHeadEntry *nm_ip6_config_lookup_addresses(const NMIP6Config *self);
void                         nm_ip6_config_reset_addresses(NMIP6Config *self);
void  nm_ip6_config_add_address(NMIP6Config *self, const NMPlatformIP6Address *address);
void  _nmtst_ip6_config_del_address(NMIP6Config *self, guint i);
guint nm_ip6_config_get_num_addresses(const NMIP6Config *self);
const NMPlatformIP6Address *nm_ip6_config_get_first_address(const NMIP6Config *self);
const NMPlatformIP6Address *_nmtst_ip6_config_get_address(const NMIP6Config *self, guint i);
const NMPlatformIP6Address *nm_ip6_config_find_first_address(const NMIP6Config *  self,
                                                             NMPlatformMatchFlags match_flag);
gboolean nm_ip6_config_address_exists(const NMIP6Config *self, const NMPlatformIP6Address *address);
const NMPlatformIP6Address *nm_ip6_config_lookup_address(const NMIP6Config *    self,
                                                         const struct in6_addr *addr);
gboolean                    _nmtst_ip6_config_addresses_sort(NMIP6Config *self);
gboolean nm_ip6_config_has_any_dad_pending(const NMIP6Config *self, const NMIP6Config *candidates);

const NMDedupMultiHeadEntry *nm_ip6_config_lookup_routes(const NMIP6Config *self);
void                         nm_ip6_config_reset_routes(NMIP6Config *self);
void                         nm_ip6_config_add_route(NMIP6Config *             self,
                                                     const NMPlatformIP6Route *route,
                                                     const NMPObject **        out_obj_new);
void                         _nmtst_ip6_config_del_route(NMIP6Config *self, guint i);
guint                        nm_ip6_config_get_num_routes(const NMIP6Config *self);
const NMPlatformIP6Route *   _nmtst_ip6_config_get_route(const NMIP6Config *self, guint i);

const NMPlatformIP6Route *  nm_ip6_config_get_direct_route_for_host(const NMIP6Config *    self,
                                                                    const struct in6_addr *host,
                                                                    guint32 route_table);
const NMPlatformIP6Address *nm_ip6_config_get_subnet_for_host(const NMIP6Config *    self,
                                                              const struct in6_addr *host);

void  nm_ip6_config_reset_nameservers(NMIP6Config *self);
void  nm_ip6_config_add_nameserver(NMIP6Config *self, const struct in6_addr *nameserver);
void  nm_ip6_config_del_nameserver(NMIP6Config *self, guint i);
guint nm_ip6_config_get_num_nameservers(const NMIP6Config *self);
const struct in6_addr *nm_ip6_config_get_nameserver(const NMIP6Config *self, guint i);

void        nm_ip6_config_reset_domains(NMIP6Config *self);
void        nm_ip6_config_add_domain(NMIP6Config *self, const char *domain);
void        nm_ip6_config_del_domain(NMIP6Config *self, guint i);
guint       nm_ip6_config_get_num_domains(const NMIP6Config *self);
const char *nm_ip6_config_get_domain(const NMIP6Config *self, guint i);

void        nm_ip6_config_reset_searches(NMIP6Config *self);
void        nm_ip6_config_add_search(NMIP6Config *self, const char *search);
void        nm_ip6_config_del_search(NMIP6Config *self, guint i);
guint       nm_ip6_config_get_num_searches(const NMIP6Config *self);
const char *nm_ip6_config_get_search(const NMIP6Config *self, guint i);

void        nm_ip6_config_reset_dns_options(NMIP6Config *self);
void        nm_ip6_config_add_dns_option(NMIP6Config *self, const char *option);
void        nm_ip6_config_del_dns_option(NMIP6Config *self, guint i);
guint       nm_ip6_config_get_num_dns_options(const NMIP6Config *self);
const char *nm_ip6_config_get_dns_option(const NMIP6Config *self, guint i);

void nm_ip6_config_set_dns_priority(NMIP6Config *self, int priority);
int  nm_ip6_config_get_dns_priority(const NMIP6Config *self);

void     nm_ip6_config_set_never_default(NMIP6Config *self, gboolean never_default);
gboolean nm_ip6_config_get_never_default(const NMIP6Config *self);

const NMPObject *nm_ip6_config_nmpobj_lookup(const NMIP6Config *self, const NMPObject *needle);
gboolean         nm_ip6_config_nmpobj_remove(NMIP6Config *self, const NMPObject *needle);

void     nm_ip6_config_hash(const NMIP6Config *self, GChecksum *sum, gboolean dns_only);
gboolean nm_ip6_config_equal(const NMIP6Config *a, const NMIP6Config *b);

void nm_ip6_config_set_privacy(NMIP6Config *self, NMSettingIP6ConfigPrivacy privacy);

struct _NMNDiscAddress;
void nm_ip6_config_reset_addresses_ndisc(NMIP6Config *                 self,
                                         const struct _NMNDiscAddress *addresses,
                                         guint                         addresses_n,
                                         guint8                        plen,
                                         guint32                       ifa_flags);
struct _NMNDiscRoute;
struct _NMNDiscGateway;
void nm_ip6_config_reset_routes_ndisc(NMIP6Config *                 self,
                                      const struct _NMNDiscGateway *gateways,
                                      guint                         gateways_n,
                                      const struct _NMNDiscRoute *  routes,
                                      guint                         routes_n,
                                      guint32                       route_table,
                                      guint32                       route_metric,
                                      gboolean                      kernel_support_rta_pref);

void nm_ip6_config_update_routes_metric(NMIP6Config *self, gint64 metric);

#endif /* __NETWORKMANAGER_IP6_CONFIG_H__ */
